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15639 (2074 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2015639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09125825598175996 3.0841e-08  
a 2.32162746555782 7.2252e-09 au
q 2.10975979201166 7.3056e-08 au
i 2.522193550705959 3.7414e-06 deg
node 239.0127646896916 9.2185e-05 deg
peri 210.4045792966211 9.5839e-05 deg
M 296.9554062138951 2.6789e-05 deg
tp 2459426.772917380472
(2021-Jul-31.27291738)
9.6382e-05 TDB
period 1292.073520742126
3.54
6.0316e-06
1.651e-08
d
yr
n .2786219160293816 1.3007e-09 deg/d
Q 2.53349513910398 7.8845e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      22008 days (60.25 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51715  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:04:46  

Additional Information
 Earth MOID = 1.12637 au 
 Jupiter MOID = 2.60758 au 
 T_jup = 3.570 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.74   n/a E2021B10  

15639 (2074 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2074 P-L = 1999 TC151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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